Negative electrode active material for secondary battery and method for producing the same

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United States of America Patent

PATENT NO 9373840
APP PUB NO 20140238550A1
SERIAL NO

14185325

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Abstract

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A negative electrode active material for a secondary battery contains an aluminum alloy. The internal structure of the aluminum alloy has a crystalline aluminum phase in a magnesium-supersaturated solid solution state, and an amorphous aluminum phase. The amorphous aluminum phase is dispersed in the crystalline aluminum phase in the magnesium-supersaturated solid solution state. Each of these phases has a columnar shape. The magnesium content of the aluminum alloy preferably is greater than 22 at % and less than 35 at %, and more preferably, lies within a range of 25±2 at %.

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Patent Owner(s)

Patent OwnerAddress
HONDA MOTOR CO LTDMINATO-KU TOKYO 107-8556

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Kenshi Wako, JP 3 13

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